参考文献

Popsavin, Velimir; Beri, Ostoja; Popsavin, Mirjana; Radi, Ljubica; Csanádi, János; Cirin-Novta, Vera Tetrahedron, 2000, vol. 56, # 32 p. 5929 - 5940 doi: 10.1016/S0040-4020(00)00482-8